Gardening with Native Plants of Oregon

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1 Trillium ovatum Gardening with Native Plants of Oregon Linda R. McMahan OSU Extension Service Yamhill County Calypso bulbosa, fairy slipper Sedum spathulifolium, stonecrop Darlingtonia california at Darlington Botanical Wayside Darmera (Peltophyllum) peltatum leaves 1

2 Darmera flowers Spiraea douglasii Physocarpus capitatus and Rosa nootkana Rubus parviflorus, salmonberry Viola glabella, stream violet Vaccinium parviflorum, red huckleberry 2

3 Maianthemum dilitatum, false lilyof-the-valley at the coast Olsynium douglasii Grass widow in Columbia River Gorge Ribes aureum, golden currant Rhododendron occidentale, Western azalea Mimulus cardinalis and Achillea millefolium (yarrow) Camassia leichtlinii, Camas 3

4 Acer circinatum, vine maple Trillium ovatum, an uncommon form Polystichum munitum, sword fern Calochortus sp., cat s ear Sara Orange-Tip Butterfly on a native flower Castilleja sp., paintbrush 4

5 Lilium columbianum, Westen tiger lily, Aquilegia formosa, Western columbine Philadelphus lewisii, Western mock orange Symphoricarpos alba, snowberry Scoliopsis bigilovii, slinkpod Rhododendron macrophyllum, Western rhododendron 5

6 Petasites frigidus, Coltsfoot Ready to Learn More? Beyond sheer beauty: choosing native plants for your garden Geographic regions and gardening with native plants Understanding wild habitats Care of native plants Back to the plants -- My all time favorite native plants for gardens Plants in real gardens Choosing Native Plants for Your Garden Ornamental Value Sentimental Value Plants from Close By If you want show, go for it Geographic Regions-Rainfall Tells Much of the Story The western side of Oregon, about 1/3 rd of the state, has characteristics that differ significantly from other parts of Oregon Understand Wild Habitats Coastal habitats are often extremely wet and plants need extra water to survive An exception are those of sand dunes which can be very hardy Understanding Wild Habitats Western mountain forests are wet and shady Plants from these habitats sometimes need extra water and shade Oxalis, bleeding heart, Piggy-back plant, and more 6

7 Understanding Wild Habitats Willamette Value Prairie habitats and other prairie sites in Oregon have some good garden plants that are often drought tolerant and colorful, Examples are lupine, Oregon sunshine, Penstemon serrulatus, Sidalcea s, and yarrow Understanding Wild Habitats As we go east, the land becomes dryer, as in the Columbia River Gorge Catherine Creek here Plants require good drainage and the more delicate ones sometimes do not do well in gardens, sedums, the Oregon form of California poppy Understand Wild Habitats Central Oregon conifer forests are also dry, plants require good drainage, but can often withstand both heat and cold, many penstemons, desert parsley, eriogonum Understand Wild Habitats The Eastern Oregon is wildly beauty with drought tolerant desert natives, some of which are extremely adaptable to the rest of Oregon like the golden currant. Oregon Flora Project Care of Native Plants Appropriate Water Use Soils and Fertilizers Pruning 7

8 Appropriate Water Use Oregon natives are adapted to periods of summer dry You may need to adjust irrigation, however, if you desire livelier looking plants or if you are growing plants from areas of the state unlike yours Soils and Fertilizer Use the native soil if possible Increase of decrease drainage as appropriate for the plants you are using Use minimal if any fertilizer--the plants may actually grow too tall! Pruning The style is up to you Can be dramatic Can be subtle Can be non-existent My All-Time Favorites Some of these are common in the trade, some rare. You may have to look really hard. These are the 10 love the most Leucothoe davisii - southern Oregon, Ribes aureum, Central and Eastern OR 8

9 Ribes sanguineum, King Edward the VII To England and back Penstemon serrulatus, coast penstemon Coastal Oregon and Willamette valley Great for sunny borders Iris tenax, Oregon iris Native to mountains and valleys in western Oregon Philadephus lewisii, Western mock orange Most fragrant of them all Native to many regions of the state Carefree and prolific Peltophyllum (Darmera) peltatum, Indian rhubarb From the rivers and streams of SW Oregon Dramatic in flower and form Vancouveria hexandra, Insideout-Flower Deciduous groundcover from Cascades and Coast Range Quite the rage in New York! 9

10 Mimulus cardinalis, scarlet monkeyflower Southern Oregon native Moist soil, nearly full sun Camassia quamash/ C. leichtlinii, Camas Native bulb, needs summer dry Beautiful shade of blue to blend with the daffodils Pulling it All Together in a Garden Bee on Ceanothus thyrsiflorum Plant photos taken in landscapes featuring native plants Fall color Cornus sericea, OSU campus Native purple violet and coltsfoot, McMinnville Public Library 10

11 Wild ginger, and other plants, McMinnville Public Library Sedum in faniciful pots, Private garden Oxalis, ferns, and Ribes, Private garden Sword Fern and old log, Private garden Oxalis and Piggy-back plant, Private garden Salal and sword fern, Berry Botanic Garden, Portland 11

12 Oregon iris, Waterfront Park, Corvallis Native and other sedums, Private garden Ribes aureum with leaves of nonnative Philadelphus (mock orange) below Emerging dragonfly, Berry Botanic Garden Wild dunes strawberry, Oregon State University campus Plantings around Engineering Building, OSU 12

13 Sword fern with non-native azalea flowers, Berry Botanic Garden, Portland Go native - It s good for you! 13